{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898028,-0.439939,0.000000,0.000000,0.284428,-0.580589,0.762901,0.000000,-0.334685,0.683177,0.649041,0.000000,-2137684.410005,4363556.555256,4117770.755364,1],    "boundingVolume": {    "region": [2.026261,0.706212,2.026393,0.706435,0.000000,8.030820]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1821401.b3dm"}}}